What is a 4 Inch Flap Disc Grit 80?
A 4 inch flap disc grit 80 (100x16mm) is a versatile abrasive tool used with angle grinders for grinding, blending, and finishing metal surfaces. The 80 grit is considered a medium grit, making it ideal for achieving a balance between material removal and smooth finishing.
This type of flap disc is widely used in fabrication, welding, and industrial applications due to its efficiency and long life.
Key Features of Arcflow Flap Disc 100x16mm Grit 80
- Premium abrasive cloth for consistent performance
- Medium grit (80) for smooth finishing
- High cutting efficiency with minimal vibration
- Durable backing for longer life
- Compatible with all standard 4-inch angle grinders
- Heat-resistant design for continuous use
Applications of 80 Grit Flap Disc
This flap disc is suitable for:
- Weld seam grinding
- Rust and paint removal
- Surface finishing and blending
- Edge chamfering
- Deburring metal surfaces
Why Choose 80 Grit Flap Disc?
The 80 grit flap disc is one of the most commonly used abrasives because:
- It provides balanced grinding + finishing
- Removes material without damaging surface
- Ideal for intermediate grinding stages
- Gives smoother finish than coarse grits
Technical Specifications
- Size: 100x16mm (4 inch)
- Grit: 80 (Medium)
- Type: T27 Flat Disc
- Material: Aluminium Oxide / Zirconia (optional)
- Max Speed: Up to 15,300 RPM
- Application: Metal grinding & finishing
Advantages of Arcflow Flap Disc
✔ Long lifespan compared to grinding wheels
✔ Less heat generation
✔ Smooth and consistent finish
✔ Reduced noise and vibration
✔ Multi-purpose use (grinding + finishing in one)
Flap discs are preferred over traditional grinding wheels because they combine efficiency + finish in one step, saving time and cost.
Frequently Asked Questions (FAQ’S)
What is an 80 grit flap disc used for?
An 80 grit flap disc is used for medium grinding, weld blending, and surface finishing on metal.
Is 80 grit good for metal?
Yes, it is ideal for smooth finishing and light material removal without damaging the surface.
Can flap disc replace grinding wheel?
Yes, flap discs can perform both grinding and finishing, reducing the need for multiple tools.
Which size is best for angle grinder?
The 4 inch (100x16mm) flap disc is the most commonly used size for standard angle grinders.
